Power distribution circuit for Buick LaCrosse I (2004-2009)

3.8L 3.6L ABS MTR FUSE 31 ABS SOL FUSE 19 AIR PUMP FUSE 25 AUTOMATIC A/C MANUAL A/C BATT MAIN 1 FUSE 26 BATT MAIN 2 FUSE 27 BATT MAIN 3 FUSE 28 BATT MAIN 4 FUSE 30 BATTERY BLK WIRE BLK/WHT WIRE BLOWER MOTOR CONTROL PROCESSOR BODY CONTROL MODULE (BCM) CANISTER FUSE PRK/ SWITCH FUSE CHMSL/ BKUP FUSE INT ILLUM FUSE CLSTR FUSE DATA LINK CONNECTOR (DLC) DIGITAL RADIO RECEIVER DR/LCK TRUNK FUSE RAP RELAY DRIVER DRIVER SEAT SEAT ADJUSTER LUMBAR SWITCH SWITCH DRIVER PASSENGER HEATED HEATED SEAT RELAY SEAT RELAY (IF EQUIPPED) (IF EQUIPPED) DRIVER WINDOW SWITCH ELECTRONIC BRAKE CONTROL MODULE (EBCM) (W/ ABS) EVAPORATIVE PARK EMISSION SWITCH (EVAP) CANISTER VENT SOLENOID FRONT PASSENGER WINDOW SWITCH FUSIBLE LINK (8 GA- GENERATOR HAZRD FUSE HTD SEAT FUSE HVAC CONTROL MODULE HVAC FUSE I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) MODULE INSIDE SUNROOF REARVIEW MOTOR MIRROR NCA WIRE ONSTAR/ ALDL FUSE ORG/ WIRE OUTSIDE REAR VIEW MIRROR SWITCH PASSENGER SEAT ADJUSTER SWITCH (IF EQUIPPED) PCM/ ETC FUSE 16 POWERTRAIN ENGINE CONTROL CONTROL MODULE MODULE (PCM) (ECM) PRK LAMP RELAY PRK/LAMP FUSE PWR SEAT CIRCUIT BREAKER PWR WNDW CIRCUIT BREAKER PWR/ MIR FUSE R/ DEFOG RELAY RADIO AUDIO AMPLIFIER (W/ 9 SPEAKER SYSTEM) RDO AMP FUSE RED WIRE RFA/ MOD FUSE S/ROOF FUSE SECONDARY AIR INJECTION (AIR) PUMP RELAY (W/ CALIFORNIA PZEV EMISSION SYSTEM) STARTER TO TCM FUSE 8 VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (IF EQUIPPED) W/ DIGITAL AUDIO SYSTEM W/ DRIVER POWER LUMBAR CONTROL SEAT W/ SUNROOF W/ VEHICLE COMMUNICATION SYSTEM W/O DIGITAL AUDIO SYSTEM W/O DRIVER POWER LUMBAR CONTROL SEAT W/O SUNROOF WASHER/ RVC FUSE 6 WHT WIRE YEL WIRE

1-2 SHIFT SOLENOID VALVE 12 VOLT REFERENCE IGNITION 3 VOLTAGE 2-3 SHIFT SOLENOID VALVE 3.6L 3.6L 3.8L 3.8L A/C CLUTCH FUSE 13 A/C COMP RELAY 38 ABS FUSE 23 AUTOMATIC A/C PNK PNK WIRE AUTOMATIC TRANSMISSION AUX PWR FUSE 10 AUXILIARY POWER OUTLET BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BODY CONTROL MODULE (BCM) BRN WIRE CIGAR LIGHTER CRANK RELAY 48 CRANK VOLTAGE CRUISE FUSE ENGINE CONTROL MODULE (ECM) ENGINE POWERTRAIN CONTROL CONTROL MODULE MODULE (ECM) (PCM) FROM IGN 1 RELAY (DIAGRAM 2 OF 4) FROM WASHER/RVC FUSE 6 (DIAGRAM 1 OF 4) HVAC CONTROL MODULE AUTOMATIC A/C MANUAL A/C I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) IGN 1 RELAY 37 IGNITION 1 VOLTAGE IGNITION SWITCH INFLATABLE ELECTRONIC RESTRAINT COMPASS SENSING, MODULE DIAGNOSTIC MODULE INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSIDE AIR TEMPERATURE SENSOR KEY IN IGNITION SWITCH SIGNAL KEY-IN IGNITION SWITCH LOCK LT GRN WIRE NCA WIRE ORG/ WIRE P/TRAIN RELAY 40 PCM FUSE 15 PNK PNK PNK W/ PARK ASSIST WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) RED WIRE RUN WIRE SIR FUSE 9 DISPLAY FUSE 18 STEERING ANGLE SENSOR (W/ ABS) TCM FUSE 8 TO A/C CLUTCH FUSE (DIAGRAM 2 OF 4) TO ETC FUSE 17 (DIAGRAM 3 OF 4) TO FAN 2 FUSE (DIAGRAM 3 OF 4) TORQUE CONVERTER POWERTRAIN CLUTCH CONTROL (TCC) MODULE SOLENOID (PCM) VALVE TRANS SOL FUSE 21 TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (3.6L) UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) WHT WIRE YEL WIRE

3.6L 3.8L 3.8L 3.6L 3.8L W/ CALIFORNIA PZEV EMISSION SYSTEM CRANK RELAY 48 EMISSION FUSE 12 ETC FUSE 17 EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE FAN 3 RELAY 43 FOG LP FAN 2 FAN 1 RELAY 36 RELAY 46 RELAY 42 FOG LPS FUSE 7 FAN 1 FUSE 29 FAN 2 FUSE 32 FROM P/TRAIN RELAY 40 (DIAGRAM 2 OF 4) FUEL PP FUSE 22 FUEL PP RELAY 41 HDM BEAM MODULE 35 HEATED OXYGEN SENSOR HI BEAM RELAY 34 HORN FUSE 11 HORN RELAY 39 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR PNK PNK WIRE PNK WIRE RIGHT STRUT TOWER) SECONDARY AIR INJECTION (AIR) PUMP RELAY SECONDARY AIR INJECTION (AIR) SOLENOID RELAY STARTER FUSE 33 THROTTLE ENGINE ACTUATOR CONTROL CONTROL MODULE (TAC) (ECM) MODULE TO ELEK IGN FUSE 24 (DIAGRAM 4 OF 4) UNDERHOOD FUSE BLOCK (MOUNTED TO FROM P/TRAIN RELAY 40 (DIAGRAM 2 OF 4) WIPER RELAY 45 WIPER/WS FUSE 5

02 SSR FUSE 14 3.6L 3.8L BLK WIRE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID EXHAUST BANK 1 CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID EXHAUST BANK 2 CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID INTAKE BANK 2 ELEK IGN FUSE 24 FROM EMISSION FUSE 12 (DIAGRAM 3 OF 4) FUEL FUEL FUEL INJECTOR 3 INJECTOR 1 INJECTOR 5 FUEL FUEL INJECTOR 2 INJECTOR 4 FUEL INJ FUSE 20 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 HEATED OXYGEN SENSOR IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION CONTROL MODULE (ICM) IGNITION IGNITION COIL 1 COIL 3 NCA WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER) WHT WIRE